description: null
package_name: uk.nhsdigital.r4.test
derivation: constraint
name: NHSDigitalObservation
type: Observation
elements:
  category:
    binding: {strength: required, valueSet: 'https://fhir.nhs.uk/ValueSet/NHSDigital-Observation-category'}
    mustSupport: true
    index: 6
    elements:
      coding:
        index: 7
        elements:
          system: {mustSupport: true, index: 8}
          code: {mustSupport: true, index: 9}
        required: [system, code]
    required: [coding]
    slicing:
      rules: open
      discriminator:
      - {path: coding.system, type: value}
      min: null
      slices:
        COVID-TestPillar:
          match:
            coding: {system: 'https://fhir.nhs.uk/CodeSystem/covid-test-pillar'}
          schema:
            index: 10
            elements:
              coding:
                elements:
                  system:
                    pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/covid-test-pillar'}
                    index: 11
        UKCoreCategory:
          match:
            coding: {system: 'http://terminology.hl7.org/CodeSystem/observation-category'}
          schema:
            index: 12
            elements:
              coding:
                elements:
                  system:
                    pattern: {type: Uri, value: 'http://terminology.hl7.org/CodeSystem/observation-category'}
                    index: 13
  method:
    mustSupport: true
    index: 24
    elements:
      coding:
        elements:
          system: {index: 25}
          code: {index: 26}
          display: {index: 27}
        required: [display, system, code]
  specimen:
    mustSupport: true
    index: 28
    elements:
      identifier:
        elements:
          system: {index: 29}
          value: {index: 30}
        required: [value, system]
  value:
    mustSupport: true
    choices: []
    index: 23
  extension:
    index: 0
    slicing:
      rules: open
      discriminator:
      - {path: url, type: value}
      min: 0
      slices:
        covid19Testing:
          match: {url: null}
          schema: {type: Extension, mustSupport: true, url: 'https://fhir.nhs.uk/StructureDefinition/Extension-COVID19-TestResult', index: 1}
          min: 0
          max: 1
  effectiveDateTime: {type: dateTime, mustSupport: true, choiceOf: effective, index: 20}
  status: {mustSupport: true, index: 5}
  effective:
    mustSupport: true
    choices: [effectiveDateTime]
    index: 19
  code: {mustSupport: true, index: 14}
  identifier:
    mustSupport: true
    index: 2
    elements:
      system: {index: 3}
      value: {index: 4}
    required: [value, system]
  device:
    mustSupport: true
    index: 31
    elements:
      identifier:
        elements:
          system: {index: 32}
          value: {index: 33}
        required: [value, system]
      display: {index: 34}
    required: [display]
  subject:
    type: Reference
    constraint:
      patient-reference: {human: subject - An identifier reference or resource reference must be provided, severity: warning, expression: (reference.exists() or (identifier.exists()))}
      patient-nhs: {human: Supplied NHS Number is outside the English and Welsh NHS Number range or length of the number is wrong., severity: error, expression: 'identifier.where(system=''https://fhir.nhs.uk/Id/nhs-number'').exists().not() or (identifier.where(system=''https://fhir.nhs.uk/Id/nhs-number'').exists()  and identifier.where(system=''https://fhir.nhs.uk/Id/nhs-number'').value.matches(''^([456789]{1}[0-9]{9})$''))'}
    mustSupport: true
    refers: ['http://hl7.org/fhir/StructureDefinition/Group', 'https://fhir.hl7.org.uk/StructureDefinition/UKCore-Device', 'https://fhir.hl7.org.uk/StructureDefinition/UKCore-Location', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-Patient-Minimal']
    index: 15
    elements:
      identifier:
        elements:
          system:
            pattern: {type: Uri, value: 'https://fhir.nhs.uk/Id/nhs-number'}
            index: 16
          value: {index: 17}
        required: [value, system]
  performer:
    type: Reference
    constraint:
      performer: {human: An identifier reference or resource reference must be provided, severity: error, expression: (reference.exists() or identifier.exists())}
    mustSupport: true
    refers: ['https://fhir.hl7.org.uk/StructureDefinition/UKCore-CareTeam', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-Organization', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-Patient', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-PractitionerRole-Minimal']
    index: 21
package_version: 2.8.5-prerelease
extensions:
  covid19Testing: {url: 'https://fhir.nhs.uk/StructureDefinition/Extension-COVID19-TestResult', min: 0, max: 1, type: Extension, mustSupport: true, index: 1}
class: profile
kind: resource
url: https://fhir.nhs.uk/StructureDefinition/NHSDigital-Observation
base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation
version: null
required: [effectiveDateTime, identifier, subject, effective]